Image Analyst

Last seen: Today | Active since 2010

Senior Scientist (male/man) and Inventor in one of the world's 10 largest industrial corporations doing image analysis full time. Ph.D. in Optical Sciences specializing in imaging, image processing, and image analysis. 44+ years of military, academic, and (mostly) industrial experience with image analysis programming and algorithm development. Experience designing custom light booths and other imaging systems. Experience with color and monochrome imaging, video analysis, thermal, ultraviolet, hyperspectral, CT, MRI, radiography, profilometry, microscopy, NIR and Raman spectroscopy, etc. on a huge variety of subjects. Member of the Mathworks Community Advisory Board. Be sure to click "View All" in my File Exchange to see ALL of my demos and tutorials: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862 Professional Interests: Image analysis and processing

Programming Languages:
MATLAB, Visual Basic
Spoken Languages:
English
Pronouns:
He/him
Professional Interests:
Image Data Workflows, Industrial Statistics, Image Processing and Computer Vision

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Answered
I want to fit the curve with two linear curves and find the point where the fitted curve deviates from the linear relationship, sort of the tangent point.
Find the point where the slope difference between the left and right side of the dividing point is greatest. See my attached de...

1 day ago | 1

Answered
Find fibers in image autoamatically
I'd just count them manually. You can adapt my attached demo. It will be faster to do that than to try to develop some automat...

1 day ago | 0

Answered
in matlab how to arrange command window output workspace ect
Did you try clicking and dragging the title bar of the panel(s)?

2 days ago | 0

Answered
Why does MatlabR2023b frequently crashes when generating figures
Does it actually crash MATLAB itself and you get an operating system error something like "MATLAB has encountered a fatal error ...

3 days ago | 0

Answered
How could I get a Matlab & Simulink license for research?
Sure, just go here: https://www.mathworks.com/store/?s_tid=hp_ff_t_buy or here: https://www.mathworks.com/company/aboutus/con...

3 days ago | 0

Answered
How to draw a semi circle filled with jet color (like in the image) ?
See my attached colorwheel demo. You can vary things like inner and outer radius, number of colors, etc.

3 days ago | 0

Answered
What add-ons i need to run this file?
It sounds like you're saying the software does not tell you what the requirements are in advance. So just try to run it. When/...

3 days ago | 0

Answered
How do I package add-ons with my standalone app?
You need to include them with the -a option of mcc. Here is an example of mine where I had to explicitly include the resnet18 a...

4 days ago | 0

Answered
How can I print the mean and standard deviation in the histogram plot?
I don't know if you can do it "automatically" but you can manually use title or text to display text on the chart: x = randn(10...

4 days ago | 0

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Answered
I need to repeat a periodic signal
This looks like a homework problem. If you have any questions ask your instructor or read the link below to get started: How d...

5 days ago | 0

Answered
How to get camera temperature and set exposue time?
Try using imageAcquisitionExplorer from the command window and getting it set up there. Then copy the code to your program.

5 days ago | 0

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Answered
Is it possible to get the version number of a compiled program inside the program? I am using the Application Compiler.
You can get the version of MATLAB used, or you can get the date/time stamp of your executable, but you cannot get the version nu...

5 days ago | 1

Answered
I need to calculate unemployment rate for each month for the period from 2020 to 2023. Please advise the best way to do that.
See groupsummary, grpstats, or splitapply. You might also like to learn about findgroups.

5 days ago | 0

Answered
Recognize edges in mosaic-like background - draw horizontal lines and save line coordinates
Try this. (Similar to @Les Beckham's solution but developed before I saw his answer): % Demo by Image Analyst % https://www.m...

5 days ago | 0

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Answered
How can I make the image resize without losing quality of image? I need to resize more than original sizes then resize into 512x512.
Any time you resize the image you are going to be changing it. In particular, if you downsize the image, you will lose informat...

5 days ago | 0

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Answered
I want to find the width of a line...how to do?
Not sure what you're calling a line? Is it the one short little one-pixel-wide green line? Or do you want the widths of the ir...

5 days ago | 0

Answered
MATLAB code for extracting temperature value from BMP format image followed by background removal
See my thermal demo.

5 days ago | 0

Answered
Plotting droplet size distribution from spray image
We might be able to help if the droplets are all separated in your image. I have worked on several spray problems in the past. ...

5 days ago | 0

Answered
How can I add a detail on a curve ?
In general, the concept is the same as your other question -- it doesn't matter if the curves are different or not. Basically y...

5 days ago | 0

Answered
Webcam Package Not Working
Did you install the webcam package from the Add-ons button on the tool ribbon?

6 days ago | 0

Answered
ImageDataStore, How to use to save Labels and 4D Matrices in for loop?
Cell arrays are very inefficient compared to regular numerical arrays. They use a lot more memory. You could even use single i...

6 days ago | 0

Answered
Help me to do difficult tasks in MATLAB
To learn other fundamental concepts, invest 2 hours of your time here: MATLAB Academy - Free 2 hour training To get a movi...

6 days ago | 0

Answered
I want to separate the RGB components(as R,G,B) of a color image also showing its histogram each. And then compare each histogram(of R,G,B) of a query image with each histogram of the database image respectively. i need a code for this plz.
See attached demo.

7 days ago | 0

Answered
Rotate an object based on regionprops Orientation - explanation
The "angle" of an irregularly shaped object is not a clear cut definition. As you can imagine, the angle you get from the max F...

7 days ago | 1

Answered
How to performed statistical calculations
I suggest you look in the help for those terms and you'll find functions such as rms, rmse, mad, etc. Or you can look at Wikipe...

7 days ago | 0

Answered
How to get centerline of binarized image?
Use bwskel to get the centerline. If you don't like what it does near the corners then you can get the top and bottom boundary ...

7 days ago | 1

Answered
problem axis "x" in my graph
It automatically adds x tick labels and sometimes they are not exactly what your x vector was. If you want to specify exactly w...

7 days ago | 0

Answered
Help with axes labels on histogram plot
You're manually telling it to do just one tick label. Let it do it automatically and you'll get them. Get rid of the calls to ...

7 days ago | 0

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Answered
Get rid of gray border around axes in app designer
Try making the control larger. You may have to adjust the Position property of the control to make the left edge and top edge n...

8 days ago | 0

Answered
issue with Installing Offline Documentation
Just simply call the Mathworks on the phone tomorrow and talk to a real live person and have them walk you through it. https://...

8 days ago | 0

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